14
Connecting the sensors and limiters
2
qU
wE
wQ
qO
230 V/50 Hz
Low voltage
PT500
PT500
X1.
X3.4
X3.3
X1.
X3.9
X3.8
230 V; 0.15 A
230 V; 0.15 A
230 V; 0.15 A
qZ
F2
F3
aS
aD
Fig. 8
With water/water heat pump conversion kit: 1 common primary pump
Note
If heat pump stages 1 and 2 (type BW 301.B and type
BWS 301.B) are installed with different rated heating
outputs, 2 primary pumps are required due to the dif-
ferent flow rates.
Preparing for installation
Primary circuit, type BW 301.B + BWS 301.B (2-stage)
(cont.)
5516461
Installation
Содержание BW 301.B06
Страница 69: ...69 Fig 49 Maintenance Opening the casing door 5516461 Maintenance...
Страница 76: ...76 Maintenance Condensation and moisture in the heat pump cont 5516461 Maintenance...
Страница 79: ...79 Parts lists type BWC 301 B Parts not shown type BWC 301 B cont 5516461 Components...
Страница 88: ...88 Parts lists type BWC 301 B Hydraulics type BWC 301 B cont 5516461 Components...
Страница 91: ...91 Parts lists type BW 301 B Parts not shown type BW 301 B cont 5516461 Components...
Страница 100: ...100 Parts lists type BW 301 B Hydraulics type BW 301 B cont 5516461 Components...
Страница 103: ...103 Parts lists type BWS 301 B Parts not shown type BWS 301 B cont 5516461 Components...