42
-18 (0)
-12 (10)
-7 (20)
-1 (30)
4 (40)
10 (50)
16 (60)
21 (70)
27 (80)
32 (90)
38(100)
RESET REFERENCE TEMPERATURE-OUTDOOR AIR OR SPACE TEMPERATURE THERMISTOR C (F)
100
80
60
40
20
0
0.0 (0)
1.1 (2)
2.2 (4)
3.3 (6)
4.4 (8)
5.5 (10)
6.7 (12)
RESET
AMOUNT
C (F)
RESET AMOUNT
BUILDING LOAD
PERCENT
BUILDING LOAD
0 (0)
2 (1)
4 (2)
6 (3)
8 (4)
10 (5)
12 (6)
14 (7)
16 (8)
18 (9)
20 (10)
RESET REFERENCE = 4-20 mA SIGNAL INPUT (VOLTS DC)
0 (0)
1.1 (2)
2.2 (4)
3.3 (6)
4.4 (8)
5.5 (10)
6.7 (12)
RESET
AMOUNT
C (F)
0.0 (0)
0.5 (1)
1.1 (2)
1.6 (3)
2.2 (4)
2.7 (5)
3.3 (6)
3.8 (7)
4.4 (8)
5.0 (9)
5.5 (10)
BUILDING LOAD
RESET AMOUNT
0.0 (0)
1.1 (2)
2.2 (4)
3.3 (6)
4.4 (8)
5.5 (10)
6.7 (12)
RESET
AMOUNT
C (F)
100
80
60
40
20
0
PERCENT
OF BUILDING LOAD
RESET REFERENCE TEMPERATURE = COOLER DELTA T (COOLER EWT - LWT) C (F)
Fig. 8 — Cooling External Temperature Reset
Fig. 9 — 4 to 20 mA Cooling Temperature Reset
Fig. 10 — Cooling Return Water Reset
