12
7.0 HEATING OUTPUT RATES BY STAGES
Figure 4
Stage 1
Stage 2
Stage 1 + 2
Furnace
Model Voltage
W1 BTU Output
Total Heat
W2 BTU Output
Total Heat
W1 + W2 BTU Output
Total Heat
Power
208
240
208
240
208
240
10kW
12975
17072
-
17072
25950
34144
15kW
25950
34144
12975
17072
38925
51216
18kW
20760
27315
25950
34144
46710
61460
20kW
25950
34144
25950
34144
51890
68288
23kW
25950
34144
33734
44387
59682
78530
27kW
25950
34144
44114
58045
70064
92190
8.0 COMMISIONING CHECKLIST
Ensure the following things
:
1)
Thermostat is not connected to controller
2)
AC/HP compressor is connected.
3)
Ground is securely connected at furnace ground lug and main panel.
4)
Incoming power lines are connected and secure at main terminal block.
5)
Continuous fan switch is set to OFF
6)
ComfortMax
switch on furnace side panel is set to OFF.
Sequence:
1) a) Install a jumper across thermostat terminals R and W1 on control board terminal strip.
Heating cycle starts and fan turns on.
b) Allow this cycle to turn on all elements.
c) Remove jumper.
All elements turn OFF.
2) Place a jumper across R, Y/Y2 & G, fan starts on Cool speed and compressor starts.
3) Remove jumper, fan cycles down and compressor stops.
4) Power furnace down, connect thermostat, turn power to furnace on.
Summary of Contents for Conforto KLE 10 TO 27kW
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