Carrier 48AJ - Page 52

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Table 65 — Staged Gas Heat Control Steps (Configuration
→ Heat → SG.CT → HT.ST = 2)
Table 66 — Staged Gas Heat Control Steps (Configuration
→ Heat → SG.CT → HT.ST = 3)
Table 67 — Staged Gas Heat Control Steps (Configuration
→ Heat → SG.CT → HT.ST = 4)
STAGE
RELAY OUTPUT
CAPACITY
%
Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6
MBB-RLY8 MBB-RLY7 SCB-RLY1 SCB-RLY2 SCB-RLY3 SCB-RLY4
IGC1 MGV1 IGC2 MGV2 IGC3 MGV3
0 OFF OFF OFF OFF OFF OFF 0
1 ON OFF OFF OFF OFF OFF 25
2 ON ON OFF OFF OFF OFF 33
3 OFF OFF ON OFF OFF OFF 50
4 OFF OFF ON ON OFF OFF 67
5 ON OFF ON OFF OFF OFF 75
6 ON ON ON OFF OFF OFF 83
7 ON ON ON ON OFF OFF 100
STAGE
RELAY OUTPUT
CAPACITY
%
Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6
MBB-RLY8 MBB-RLY7 SCB-RLY1 SCB-RLY2 SCB-RLY3 SCB-RLY4
IGC1 MGV1 IGC2 MGV2 IGC3 MGV3
0 OFF OFF OFF OFF OFF OFF 0
1 ON OFF OFF OFF OFF OFF 25
2 ON ON OFF OFF OFF OFF 33
3 ON OFF ON OFF OFF OFF 50
4 ON ON ON OFF OFF OFF 58
5 ON ON ON ON OFF OFF 67
6 ON OFF ON OFF ON OFF 75
7 ON OFF ON ON ON OFF 83
8 ON ON ON ON ON OFF 92
9 ON ON ON ON ON OFF 100
STAGE
RELAY OUTPUT
CAPACITY
%
Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6
MBB-RLY8 MBB-RLY7 SCB-RLY1 SCB-RLY2 SCB-RLY3 SCB-RLY4
IGC1 MGV1 IGC2 MGV2 IGC3 MGV3
0 OFF OFF OFF OFF OFF OFF 0
1 ON OFF OFF OFF OFF OFF 19
2 ON ON OFF OFF OFF OFF 25
3 ON OFF OFF OFF ON OFF 38
4 ON ON OFF OFF ON OFF 44
5 ON ON OFF OFF ON ON 50
6 ON OFF ON OFF OFF OFF 57
7 ON ON ON OFF OFF OFF 63
8 ON OFF ON OFF ON OFF 76
9 ON OFF ON ON ON OFF 88
10 ON ON ON ON ON OFF 94
11 ON ON ON ON ON ON 100