Viessmann Vitodens 100-W WB1B Series Installation And Service Instructions Manual page 41

Vitodens 100-W, WB1B Installation & Service
Installation Examples
System Layout 4
Vitodens 100-W, WB1B 26, 35 with...
- DHW storage tank
- Low-loss header
- one high-temperature heating circuit
- one low-temperature heating circuit
- Viessmann Vitotronic 050, HK1M controller
120V POWER
ST
SUPPLY
4-7 GPM
FLOW
GRUNDFOSS
UPS-15-58FC
3-SPEED
CIRCULATOR OR
EQUIVALENT
RECOMMENDED
LOW LOSS HEADER
ViPN 7134791 (for max. 17.5 GPM)
ViPN 7134792 (for max. 35 GPM)
Legend
A Boiler power pump module
A1
Primary pump (boiler power / pump module control)
(field supplied)
B Honeywell switching relay for
B1
Heating circuit pump (field supplied)
C Honeywell switching relay for DHW H control
C1
DHW circulating pump (field supplied)
D Vitotronic 050, Model HK1M Digital indoor / outdoor
heating circuit control unit & pump control
Vi. Part No. 7134 627
D1
Heating circuit pump (field supplied)
E Radiator heating circuit
F Underfloor heating circuit
(continued)
RT
max. 17.5 GPM or
35 GPM (SEE LOW
LOSS HEADER)
OPTIONAL LIMIT
THERMOSTAT
SEE NOTE 1
120V POWER SUPPLY
SEE NOTE 1
See page 43 for notes and
explanation of this drawing.
G
Low loss header
-Max. flow 17.5 USGPM
Vi. Part No. 7134 791
-Max. flow 35 USGPM
Vi. Part No. 7134 792
H
DHW indirect storage tank
I
Outdoor temperature sensor
J
Limit thermostat (optional) See note 1
K
DHW tank aquastat, Honeywell Part No.
L4008A1031, Vi. Part No. 9560 985
M
Mixing valve motor / control
N
Mixing valve supply temperature sensor
O
Viessmann mixing valve
P
Room thermostat (optional) See note 2.
Q
Vitodens 100 boiler
R
Expansion tank
Connections
OPTIONAL ROOM
THERMOSTAT
SEE NOTE 2
ATS
120V
POWER
SUPPLY
HK1M PPM
SEE NOTE 3
41