ECR International 95M-200 Bedienungsanleitung

Parameter guide

95M-200

GAS-FIRED DIRECT VENT

MODULATING HOT WATER BOILER

P/N 240006105, Rev. A [04/08]

Revise boiler control parameters only if you fully

understand the purpose and result of the chang-

es and on the advice of ECR Technical Support.

Tampering without understanding the control

settings in this manual will void the warranty

and can result in unreliable operation, with pos-

sible severe personal injury, death, or substan-

tial property damage.

WARNING



heating installer or service technician. Read all

instructions, including the Installation Manual

(P/N# 240006103), the Control Manual and Oper-

ating Instructions (P/N# 240006104), the User’s

Information Manual (P/N# 240006106), and this

Parameter Guide before attempting to program

the control, and be sure to perform all steps in

-

sult in severe personal injury, death, or substan-

tial property damage.

WARNING

IMPORTANT: Installation must comply

with local requirements and with the Na-



installations or CSA B149.1 or B149.2 for

Canadian installations.

DO NOT DESTROY THESE INSTRUCTIONS!!

Please read carefully and keep in a safe place

for future reference.

IMPORTANT: Read the following instructions

completely before installing!!

Keep this manual near boiler

and retain for future reference.

PARAMETER GUIDE

Printed in USA • Made In USA







The following dened symbols are used throughout

this manual to notify the reader of potential hazards of

varying risk levels.

Indicates an imminently hazardous situation

which, if not avoided, will result in death, serious

injury or substantial property damage.

DANGER

Indicates a potentially hazardous situation which,

if not avoided, could result in death, serious injury

or substantial property damage.

WARNING

Indicates a potentially hazardous situation which, if

not avoided, could result in minor or moderate injury

or property damage.

CAUTION

I - Safety Symbols and Warnings.......................3

II - Overview of Control Parameters...................4

III - Parameter Explinations................................6

IV- How To Set Parameters...............................11

V - Parameter Reference Table........................ 12

VI - Parameter Change Record........................ 19

II - Overview of Control Parameters



This manual includes detailed explanations of the adjustable

parameters. See Section III, “Parameter Explanations,” for

more information.

Revise boiler control parameters only if you fully

understand the purpose and result of the changes

and the advice of ECR Technical Support. Tamper-

ing without understanding the control settings in

this manual will void the warranty and can result in

unreliable operation, with possible severe personal

injury, death, or substantial property damage.

WARNING



The “Default Parameter Settings” table on the next page

lists the factory default settings for this boiler at stan-

dard altitudes (up to 2000 feet). When in doubt, always

restore parameters to the default settings listed.



Factory default settings will work for most applications.

There are situations, however, for which changes are

desirable or even mandatory (ex: multiple boiler applica-

tions using the Honeywell AM (HAM) module).

Default boiler settings are satisfactory for most high-

mass systems (radiant slab, cast iron radiators, most

nned-tube radiation).



Outdoor Reset Applications:

Outdoor reset operation

can sometimes be improved by adjusting parameters 4,

5, 6, and 7. Parameters 9, 10, and 11 might also be modi-

ed. See “Parameter Explanations” for more information on

outdoor reset.

High Altitude Installations:

To ensure proper operation

parameter 17 must be set to 3,200 RPM in all installations

at or above elevations of 2,000 feet. Failure to do so could

result in potential for severe personal injury, death or sub-

stantial property damage.

Refer to Section IV of this manual for instructions on how to

change parameters.



: Systems using fan coil units respond

to heat input rapidly, and may require larger differential

settings (parameters 22 - 25) for best performance. (See

“Parameter Explanations” for more information on control

differential and how to adjust.)

High-mass Systems:

High-mass systems, such as in-slab

radiant and cast iron radiator systems, respond slowly to

heat input. The factory default settings will work well for

most of these applications.





equipment performance problems, resulting in

potential severe personal injury, death, or sub-

stantial property damage.

WARNING

Parameter 2: Do not set for continuous DHW pump.•

Parameters 13 and 15: Do not set higher than values•

in the “Default Parameter Settings” Table on the next

page.

Parameters 17 and 19: Do not set lower than•

values in the “Default Parameter Settings” Table on the

next page.

Parameters 24, 25, 26, and 27: Do not change from•

default settings.

Parameter 32: Do not change from value of 0.•

Parameter 33: Leave setting at 30° F for storage tank•

DW applications.

Parameter 34 (First Digit): Do not change from value of•

Parameter 34 (Second Digit): Set only at 0 (2nd CH•

circuit off) unless using a Honeywell AM module. With

HAM, set second digit to 4 (0 - 10 V analog on HAM

capacity).

Parameter 35 (Both Digits): Do not change either digit•

from default setting.

Parameters 37, 39, 40, and 41: Do not change. For•

future use only.

Parameter 42 (First Digit): Do not change from default•

value.

DO NOT CHANGE ANY PARAMETER UNLESS THEAPPLICATION REQUIRES SPECIAL SETTINGS.

PARAMETER/DESCRIPTION GASCOM 

1 T3 Set DHW 150°F 150

2DHW System On 01

3 CH System On 01

4T1 Top CH-Mode 180°F 180

5T1 Foot CH-Mode 120°F 120

6T4 Minimum 0°F 00

7T4 Maximum 60°F 60

8T4 Frost Protection -20°F -20

9T4 Correction 0°F 00

10 T Blocking 60°F 60

11 Booster Time 30 Minutes 30

12 T Parallel Shift 10°F 10

13 Maximum Fan Speed CH 6000 rpm 60

15 Maximum Fan Speed DHW 6000 rpm 60

17 Minimum Fan Speed 2250 rpm 22

19 Ignition Fan Speed 3500 rpm 35

20 CH Postpump Time 0 Minutes 00

21 DHW Postpump Time 30.6 Seconds 03

22 CH Modulation Hysteresis On 4°F 04

23 CH Modulation Hysteresis Off 4°F 04

24 DHW Modulation Hysteresis On 4°F 04

25 DHW Modulation Hysteresis Off 4°F 04

26 DHW Detection Hysteresis On 4°F 04

27 DHW Detection Hysteresis Off 4°F 04

28 CH Blocking Time 10.2 Seconds 01

29 DHW Blocking Time 10.2 Seconds 01

30 DHW -> CH Blocking Time 30.6 Seconds 03

31 Modulate Back Difference T1 - T2 50°F 50

32 RMCI Address -01 -01

33 T Plus: SetvalueAdditional For DHW 30°F 30

34 2nd CH-Circuit (1st Digit) 2nd CH-Circuit Off 00

34 CH Type (2nd Digit) Room Thermostat 00

35 DHW 3-Way Valve/Pump (1st Digit) Hot Water Pump 13

35 DHW Type (2nd Digit) Storage Tank w/out Tank

Sensor (NTC3) 13

36 Manual Fan Speed Negative 1% -01

37 PWM-Pump Level (1st Digit) 3 31

37 PWM-Pump Level (2nd Digit) 1 31

38 T Set Hold Boiler Warm 40°F 40

39 T Top For 2nd CH Circuit 70°F 70

40 T Foot for 2nd CH Circuit 50°F 50

41 T Hysteresis For 2nd CH Circuit 20°F 20

42 Pump Settings For CH & DHW 00 21

42 Minimum Off Cycle Not Active 21





OUTDOOR RESET OPERATION

Outdoor reset adjusts the supply water temperature so the

heat output from the heating units matches the heat loss as

the outdoor temperature changes. The colder the outdoor

temperature, the warmer the water temperature, and vice

versa.

The closer the heating unit output matches the heat loss,

the less the swing in the indoor temperature. You can adjust

control parameters to do this as shown below.



Outdoor Design Temperature (ODT): Outdoor Design

Temperature for the area, used to calculate heat loss.

(Use this value for T4 minimum.)

Balance Point Temperature

 : Outside temperature

at which building heat loss equals building heat gain

from solar and internal sources. At this temperature,

no space heating is required. (Use this value for T4

maximum.)

Automatic Temperature Boost:

 Compensates for

side temperature.

T1 Top (Parameter 4) is the outlet water temperature

the boiler tries to maintain whenever the outside tem-

IMPORTANT: Installation must comply with local re-

quirements and with the National Fuel Gas Code, ANSI

Z223.1 for U.S. installations or CSA B149.1 or B149.2

for Canadian installations.

required pick-up times and variations in heating load

requirements by automatically increasing set point tem-

perature when a call for heat exceeds a specied time

(Parameter 11).

Parameters 4, 5, 6 & 7 (Outdoor reset)

 :If boiler is operated

with constant outlet temperature (no outside tempera-

ture sensor installed), set Parameter 4 as described in

this manual.

Outdoor Reset Operation:

 Parameters 4 to 7 deter-

mine the reset curve, as shown in Figure #1.

T1 is the boiler outlet water temperature. T4 is the out-•







Outdoor Reset Example A

180°F

182°F

210°F

200°F

T4 Maximum

(Parameter 7)

T Blocking

(Parameter 10)

T1 Foot

(Parameter 5)

(No higher that 180°F )

(Auto rest limit setting - not adjusted)

(Manual rest limit setting - not adjusted)

Boiler shuts OFF when

(T1 Set is less than T Blocking)

T4 Minimum

(Parameter 6)

T1 Top

(Parameter 4) T1 Top

Cooler Warmer

Setpoint Temperature T1

CoolerWarmer Outside Temperature °F



PARAMETER

NUMBER PARAMETER

NAME 

SETTING ADJUSTMENT

RANGE

4T1 Top 180°F 68 - 182°F

5T1 Foot 120°F 60 - 140°F

6T4 Minimum 0°F -4 - 50°F

7T4 Maximum 60°F 60 - 78°F

10 T Blocking 60°F 32 - 140°F

(or “32” for Off)

Figure #1



heating installer or service technician. Read all

instructions, including the Installation Manu-

al (P/N# 240006103), the Control Manual and

Operating Instructions (P/N# 240006104), the

User’s Information Manual (P/N# 240006106),

and this Parameter Guide before attempting to

program the control, and be sure to perform all



could result in severe personal injury, death, or

substantial property damage.

WARNING

Revise boiler control parameters only if you

fully understand the purpose and result of the

changes and on the advice of ECR Technical

Support. Tampering without fully understand-

ing the control settings in this manual will void

the warranty and can result in unreliable op-

eration, with possible severe personal injury,

death, or substantial property damage.

WARNING

perature is less than T4 Minimum (Parameter 6).

T1 Foot (Parameter 5) is the outlet water temperature

the boiler tries to maintain whenever the outside tem-

perature is higher than T4 Maximum (Parameter 7).

When outside temperature is between T4 Maximum

and T4 Minimum, the control calculates a value for T1

Setpoint (T1 Set) between T1 Foot and T4 Top.

The boiler may not operate all the way down to T1 foot.•

Parameter 10 (T Blocking) sets a minimum operating

outlet water temperature. If the calculated setpoint, T1

set, is less than T blocking, the boiler shuts off.

Set Parameters 4 to 7 as needed for the desired reset•

curve. Make sure to set parameters 4 and 6 so the

outlet water temperature is at design water temperature

when outside temperature drops to the ODT (outdoor

design temperature).

Parameter 9 (T4 correction)

Location of the outdoor sensor may sometimes cause•

the sensor to incorrectly detect outside temperature.

You can set Parameter 9 to correct for this difference•

(up to 9° F more or less) if you believe boiler response

needs to be improved. Set a negative number to reduce

the outdoor temperature reading, a positive number to

increase the reading.

Parameter 10 (T blocking)

Use this parameter to set a minimum operating boiler•

outlet water set point temperature.

When calculated set point temperature, T set, is at or•

below T blocking the boiler shuts down (after operating

a post pump cycle).

To deactivate this parameter, set the value to 32.•

Suggested outdoor reset settings

T1 Top: Set to the required supply water temperature•

when outdoor temperature is at or below ODT .

T1 Foot: Set so the drop in supply water temperature•

results in the best match of heating unit output to heat

loss as the outdoor temperature rises.

T4 Maximum: Set to the balance point temperature for•

the building (typically 65° F or lower).

T4 Minimum: Set to ODT.•



Setpoint Temperature T1, °F

Outdoor Reset Example A

182

210

70 60 50 40 30 20 10 0 -10 -20

110

130

150

170

190

200

T4 Maximum Set at 60°F

T1 Top Set at 180°F

T4 Minimum Set at 0°F

T Blocking Set at 100°F

T1 Foot Set at 60°F

M/R Limit

A/R Limit

Boiler OFF

(T1 Set less than T Blocking)

Outside Temperature, °F

Setpoint Temperature T1, °F

Outside Temperature, °F

Outdoor Reset Example B

195

210

70 60 50 40 30 20 10 0 -10 -20

110

130

150

170

190

200

T4 Maximum Set at 60°F

T Top Set at 190°F

T4 Minimum Set at -2°F

T Blocking Set at 40°F

T1 Foot Set at 60°F

M/R Limit

A/R Limit



Figure #2

AUTOMATIC TEMPERATURE BOOST

If the target temperature happens to be too low for the•

heating units to supply sufcient heat within fteen

minutes (default setting), the control “boosts” the target

temperature until the supply water meets the system’s

needs.

Even if the reset parameters are optimized for the ap-•

plication, use of setback thermostats or the need for oc-

casional cold start operation will require faster recovery

than provided by the normal calculated supply water

temperature because the curve assumes steady-state

operation.

Boost will not call for supply water temperature setpoint

•

greater than the value of Parameter 4 (T1 Top). There

is no concern that temperature boost would supply

water too hot for low-temperature systems, such as

slab-type radiant heating. On hybrid systems, with

nned tube radiation and radiant slab, provide additional

low temperature protection for the radiant portion of the

system, because Parameter 4 (T1 Top) is likely to be

set higher than on a radiant-only system.

IMPORTANT: Many slab-type radiant systems

won’t require boost. This function can be dis-

abled with a parameter 11 setting of “0.”

Boost operation

In outdoor reset operation (outdoor sensor connected),

the boiler control automatically increases the target out-

let water temperature if a call for heat exceeds a time

equal to Parameter 11 (factory default of 30 minutes).

At each interval of Parameter 11 of a continuous call for

heat, the control module increases the target tempera-

ture by 18° F. See



The control module will continue increasing target

temperature until it reaches the value set in Parameter

4 (T1 Top).

When the call for heat ends while target temperature is

“boosted,” the target temperature drops about 2° F for



PARAMETER 11 (Automatic Supply Temperature Booster Operation)

Temperature Boost Operation (Typical):In this example, the boiler is operating in outdoor reset mode with a calculated setpoint tem-

perature of 130°F. The call for heat has lasted more than 10 minutes (value of Parameter 11) and supply temperature boost has occured.

Figure #3

each minute the thermostat is open.

Range: 1-30 minutes.

Factory Default: 30 minutes.

Deactivate automatic temperature boost by setting to

“0.”



        -

plied by the factory (See the “Default Param-

eters Table” in Section II). Setting limits above

or below these factory defaults would increase

       -

ceptable limit, resulting in potential for severe

personal injury, death, or substantial property

damage.

WARNING

Parameters 13 and 15 can be set to limit the maximum•

boiler ring rate. Boiler ring rate is proportional to the

fan speed, so reducing the maximum fan speed reduc-

es maximum input.

Reducing maximum fan speed will be helpful for sys-

•

tems on which the boiler is oversized for either space

heating or DHW, or both.

Maximum fan speed can be set separately for space•



% Rate BTUH RPM Boiler Display

40 80,000 2250 22

50 100,000 3250 32

60 120,000 3800 38

70 140,000 4400 44

80 160,000 4750 47

90 180,000 5250 52

100 200,000 6000 60

NOTE: Results may vary depending on altitude of in-

stallation, gas caloric value, and vent length.

heating and DHW using Parameters 13 and 15.



Acceptable Range for Natural Gas and LP: 2250 to•

6000 rpm (22 to 60 on boiler display).

NOTE: Boiler display shows fan speed in hundreds of rpm. A

value of 48 would mean a speed of 100 x 48, or 4800 rpm.

Factory Defaults: See the “Default Parameters Table” in•

Section II of this manual.

If the boiler is oversized for space heating, you can•

reduce the maximum fan speed during space heating

operation (Parameter 13) to limit the maximum boiler

input.



Acceptable Range for Natural Gas and LP: 2250 to•

6000 rpm (22 to 60 on boiler display).

NOTE: Boiler display shows fan speed in hundreds of rpm. A

value of 48 would mean a speed of 100 x 48, or 4800 rpm.

Factory Defaults: See the “Default Parameters Table” in•

Section II of this manual.

If the boiler is oversized for domestic water heating, you•

can reduce the maximum fan speed during DHW opera-

tion (Parameter 15) to limit the maximum boiler input.



The fan speed must not be set below the value

as supplied from the factory (see the “Default

Parameters Table” in Section II). This would

      

limit, resulting in potential for severe personal

injury, death, or substantial property damage.

WARNING

PARAMETER 17 sets the minimum fan speed. Boiler ring

rate is proportional to fan speed, so increasing the minimum

fan speed increases the minimum ring rate (low re).

Parameter 17 sets the minimum fan speed for both DHW

and space heating modes. Set parameter 17 to 3,200 for

altitudes above 2,000 ft.

Acceptable Range for Natural Gas and LP: 2250 rpm•

(22 on boiler display).

NOTE: Boiler display shows fan speed in hundreds of rpm. A

value of 48 would mean a speed of 100 x 48, or 4800 rpm.

Factory Defaults: See the “Default Parameters Table” in•

Section II of this manual.







as supplied from the factory (see the “Default

Parameters Table” in Section II). This would

      

limit, resulting in potential for severe personal

injury, death, or substantial property damage.

WARNING

Parameter 19 sets the fan speed during ignition. Boiler•

ring rate is proportional to fan speed, so increasing the

minimum fan speed increases the minimum ring rate

(low re).

IMPORTANT:

Parameter 19 should only be changed where

required for high altitude applications.

Acceptable Range for Natural Gas and LP: 3000 to•

3600 rpm (30 to 36 on boiler display).

NOTE: Boiler display shows fan speed in hundreds of rpm. A

value of 48 would mean a speed of 100 x 48, or 4800 rpm.

Factory Defaults: See the “Default Parameters Table” in•

Section II of this manual.



Do not change the differentials (hysteresis) for

domestic hot water operation (Parameters 24,

25, 26, and 27). Always use only the factory de-

fault settings for these parameters.

WARNING

Space heating differentials (parameters 22 and 23)

The term “differential” is also referred to as “hysteresis.”•

Parameter 22 is the “On” differential. The water tem-•

perature must be at least Parameter 22 less than the

calculated setpoint temperature for the boiler to turn on.

Parameter 23 is the “Off” differential. When the boiler is

•

ring, the water temperature must rise at least Param-

eter 23 above the calculated setpoint temperature for

the boiler to turn off.

See Figure #4 for an explanation of the “On” and “Off”

•

differentials of the boiler control. Note that the differ-

entials are greater when a heat call starts or stops, as

shown. The differentials decrease with time until they

equal Parameters 22 and 23.



The factory default setting for Parameter 23 is 4° F.•

This works well for most applications.

For low mass systems (fan coil), performance can be•

improved by increasing Parameter 23. This compen-

sates for the quicker system temperature response of

low-mass systems.

When setting Parameter 23, make sure that Parameter

•

23 plus Parameter 4 is not over 193° F to avoid possible

nuisance lockouts.

 (Hysteresis))



Figure #4

Andere Handbücher für 95M-200

Inhaltsverzeichnis

Andere ECR International Kessel Handbücher

ECR International

ECR International CHB Benutzerhandbuch

ECR International

ECR International GreenMountain GMGS075E Gebrauchsanweisung

ECR International

ECR International B Series Bedienungsanleitung

ECR International

ECR International UBSSC-050 Gebrauchsanweisung

ECR International

ECR International Utica Boilers UCS-380 Gebrauchsanweisung

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ECR International Dunkirk DCBF-125 Bedienungsanleitung

ECR International

ECR International Pennco FSB II Series Gebrauchsanweisung

ECR International

ECR International 75F Benutzerhandbuch

ECR International

ECR International UTICA BOILERS MGC 3 Series Gebrauchsanweisung

ECR International

ECR International Dunkirk Q95M-200 Bedienungsanleitung

ECR International

ECR International 100 Benutzerhandbuch

ECR International

ECR International 15B-K Gebrauchsanweisung

ECR International

ECR International COMBI 205 Leitfaden

ECR International

ECR International Columbia MCC II Series Gebrauchsanweisung

ECR International

ECR International UTICA BOILERS TRIFIRE II Series Gebrauchsanweisung

ECR International

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ECR International

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ECR International 16 Series Leitfaden

ECR International

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ECR International Utica Boilers MACF-150 Leitfaden

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ECR International Utica Heating UH15B Series Gebrauchsanweisung

ECR International

ECR International MGB-50J Gebrauchsanweisung

ECR International

ECR International Dunkirk DCC-150F Leitfaden

ECR International

ECR International Olsen OMGB II Series Gebrauchsanweisung

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