55
Terminals
Function
Explanation
X3.8
X3.9
Frost stat and/or contact
humidistat
or
Jumper
Floating contact required:
■ Closed: Continuous safety chain
■ Open: Safety chain interrupted; heat
pump shut down
■ Breaking capacity 230 V~, 0.15 A
Connect on site:
■ Remove jumper when making this con-
nection
■ Connected in series if both safety com-
ponents are installed
X3.18
Heat pump control unit
power supply:
Phase L1
X1.1 Earth conductor
connection
X2.1 Neutral conductor
connection
Connect to 230 V~ power supply on site.
Controller and sensor PCB
Set the required parameters during com-
missioning; see from page 81.
■
Plugs F11, F17:
Connect
nothing
on site to plugs F11
and F17.
Sensors
Plugs
Sensor
Type
F0
Outside temperature sensor; connect on site
Ni 500
(PTC)
F4
(X5.6/X5.7)
Buffer temperature sensor, top; connect on site
Pt 500
(PTC)
F13
System flow temperature sensor (with sensor well, down-
stream of heating water buffer cylinder); connect on site
Pt 500
(PTC)
F14
Flow temperature sensor, cooling circuit (direct heating
circuit A1 or separate cooling circuit); connect on site
Ni 500
(PTC)
F16
Room temperature sensor for separate cooling circuit
(required) or for direct heating/cooling circuit (recommen-
ded); connect on site
Ni 500
(PTC)
Installation sequence
Electrical connection
(cont.)
5600 950 GB
Installation
Содержание Vitocal 222-S
Страница 26: ...26 7 8 6 P301 P501 P303 P302 F6 Installation sequence Installing the internal unit cont 5600 950 GB...
Страница 27: ...27 10 9 11 Installation sequence Installing the internal unit cont 5600 950 GB Installation...
Страница 28: ...28 15 2x 16 17 2x 12 14 18 13 X20 Installation sequence Installing the internal unit cont 5600 950 GB...
Страница 29: ...29 2x 4x 6x 4x 22 21 20 19 Installation sequence Installing the internal unit cont 5600 950 GB Installation...
Страница 89: ...89 Opening programming unit 2 2x 1 3 Troubleshooting Repairs 5600 950 GB Service...
Страница 90: ...90 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5600 950 GB...
Страница 91: ...91 Overview of internal components Internal unit Troubleshooting Repairs cont 5600 950 GB Service...
Страница 142: ...142 5600 950 GB...
Страница 143: ...143 5600 950 GB...