19
Figure 20.
WH Units - Single Water Heater with Tank H Units - Single Boiler with Process Tank
S1
S2
TANK
P1
VERSA
PIM
MODBUS
ENABLE
0-10 VDC / 4-20mA
S3
HW RETURN
FACTORY INSTALLED SENSOR
FIELD INSTALLED SENSOR
CITY
WATER
HW SUPPLY
A
P1a
ENABLE
MODBUS
(MASTER)
VERSA
PIM
PIM
PIM
PIM
CITY
WATER
VERSA
VERSA
VERSA
0–10 VDC
S1a
S2a
S1b
S1c
S2c
S2d
P2a
S1d
S2b
P1b
P1c
P1d
S3
B
C
D
FACTORY INSTALLED SENSOR
FIELD INSTALLED SENSOR
DIRECT DHW/PROCESS CASCADE
CONDENSING APPLICATIONS
A = MASTER
B – D = FOLLOWER UNITS
Figure 21.
WH Units - Single Water Heater with Tank H Units - Single Boiler with Process Tank
Содержание Xtherm 1005A
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