UTICA BOILERS 95M-200 User manual

Quick Guide
for Set-up
and Operation
95M-200
Natural or Propane Gas-fired
Modulating Condensing Boiler
PN 240006282 Rev. A - 5/08

3
▲
!
▲
!
WARNING
Revise boiler control parameters only if you fully understand the
purpose and result of the changes. Tampering with 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. Refer to PN240006105
Parameter Guide, for full details.

4

Select Parameter Definitions (see manual 240006105 for full list) See pages 6 & 7 for Factory Settings
DEFAULT LOWER UPPER
PARAMETER NAME DESCRIPTION VALUE LIMIT LIMIT
1 T3 Set DHW target temperature (See Parameter 33) 150˚F 68˚F 158˚F
2 DHW System 01 = ON DISPLAY-01 N/A N/A
3 CH System 01 = ON DISPLAY-01 N/A N/A
4* T1 Top Maximum target supply water temperature 180˚F 68˚F 182˚F
5* T1 Foot Minimum target supply water temperature 120˚F 60˚F 140˚F
6* T4 Minimum Outside temp at which the target supply
temperature is at maximum 0˚F -4˚F 50˚F
7* T4 Maximum Outside temp at which the target supply
temperature is at minimum 60˚F 60˚F 78˚F
33 T Plus This value plus parameter 1 equals the
DHW set point. 30˚F 0˚F 54˚F
*Parameters 4-7 define the boilers Outdoor Reset Curve. See pages 6 & 7 for examples of the Outdoor Reset Curve.
5

6
Outdoor Reset Overview
60˚ F
(P7)
0˚ F
(P6)
120˚ F
(P5)
180˚ F
(P4)
120˚: 190 Btu/hr.
150˚: 370 Btu/hr.
180˚: 560 Btu/hr.
Outdoor
Temp.
Boiler Water Temp.
* Baseboard output:
*
*
*
MODULATION CURVE
NOTE: Domestic priority
will override outdoor reset
EXAMPLE 1 (Factory Settings) P7, P6, P5 & P4

7
Radiant Outdoor Reset
60˚ F
(P7)
0˚ F
(P6)
85˚ F
(P5)
110˚ F
(P4)
180
Outdoor
Temp.
Boiler Water Temp.
P1=150˚ F Plus P33=30˚ F Equals 180˚ F Boiler Water
Temperature for Domestic
NOTE: Domestic priority
will override outdoor reset
EXAMPLE 2 (Low Water Temperature System)

Boiler Display Key Pad Operation:
Changing a parameter
Using the six buttons on the front of the boiler (see next page for illustration) and the proper code,
the boiler can be both monitored and modified using the digital display.
Perform the following steps with the boiler powered on and in standby [STBY] mode: (STBY will
appear only momentarily followed by 0.(boiler temp), i.e. 0.120
1. Press and hold the "STEP" button.
2. While holding the "STEP" button down, press and hold the "MODE" button.
3. Hold both buttons down together for several seconds until [CODE] appears on the display.
4. Release "STEP" and "MODE" buttons. [CODE] will stay lit on the display.
NOTE: If [CODE] is not displayed after several seconds, release "STEP" and "MODE" buttons
and press "MODE" several times to return display to [STBY]. Then repeat steps 1-4 again.
5. Press the "STEP" button once (C "xx" will appear, i.e. C 17)
6. Adjust the number displayed to [C-05] by using the "+" and "–" buttons.
7. Press the "STORE" button.
IMPORTANT:The boiler control will automatically exit [CODE] mode
after 10 minutes of no activity.
8

18. Press the "MODE" button several times until [PARA] is displayed.
19. Press the "STEP" button several times until [P-XX] is displayed. The XX represents the parameter
that will be changed (i.e. P-05). The parameter’s value will then be displayed.
10. Use the "+" or "–" buttons to set the desired value.
11. Press the "STORE" button. Steps 9-11 can now be repeated for additional parameter changes
or continue to step 12 to exit.
12. Press the "RESET" button to exit.
9

10

11

Information Mode
See manual 240006104 for complete details on Information Mode.
INFORMATION MODE
Press [MODE] button 2 times from Standby Mode.
(1) Digits after flashing dot show measured outlet temperature.
(2) Digits after flashing dot show -18.
(3) Digits after flashing dot show outside temperature.
(4) Digits after flashing dot show target outlet temperature.
(5) Digits after flashing dot show rate of change in °F per second.
(6) Digits after flashing dot show -32.
NOTE: Display will show A-32 if [STEP] is pressed
after "9" appears.
Display shows Info Info then displays Parameter, Flashing Dot, 1.190
until a key is pressed and Current Status.
Press and Hold Key(s) in BOLD (1) Duration Result Display
[MODE] [STEP] [STORE] [+] [–] Tap Step to next
parameter Measured outlet water temperature 1.180
(First digit shows 1 and dot flashes) (1)
Return Water temperature
(First digit shows 2 and dot flashes) (1) 2.150
This function not used
(First digit shows 3 and dot flashes) (2) 3.-18
Outside temperature
(First digit shows 4 and dot flashes) (3) 4. 42
This function not used
(First digit shows 5 and dot flashes) (2) 5.-18
Target outlet water temperature
(First digit shows 6 and dot flashes) (4) 6.190
Outlet water temp. change over time
(First digit shows 7 and dot flashes) (5) 7. 1
Return water temp. change over time
(First digit shows 8 and dot flashes) (5) 8. 1
This function not used
(First digit shows 9 and dot flashes) (6) 9.-32
12