710 / 710 ASME Service Manual
Ver. 1.00
60
CONFIDENTIAL
12-9. Multi-unit system ON / OFF conditions
In Easy-link system and Multiple-system, the amount of 710 models called on to activate depends on the
FLOW RATE and the SET TEMPERATURE.
1.
Condition required to activate an additional 710:
Flow rate required to activate additional 710 = A × n
Where n= number of currently activated 710
and A is dependent on the set temperature. See table below:
Set temperature
Factor "A"
˚F
˚C
GPM
L/min
100 - 120
38 - 49
3.4
13
125,130
52 - 54
3.2
12
140
60
2.9
11
145,150
63 - 65
2.6
10
155 - 185
68 - 85
2.4
9
2. Condition required to reduce the number of activated 710 models:
A.
In the case of reducing down from two units 710 models to one 710: Flow rate = A / 1.7
B.
All other cases: Flow rate = A × (n - 2)
