Hydraulic Connection Set; Floorstanding Installation Connection Set; Wall Mounting Connection Set; Vitocal 222-A: Hydraulic Connection Accessories - Viessmann VITOCAL Series Technical Manual

Installation accessories

Hydraulic connection set

For hydraulic connection of the outdoor unit to the indoor unit, flexi-
ble routing underground:
■ 4 adaptors
■ 2 rubber end collars A
■ 1 roll of route warning tape
B
c
A B
d
A End collar
B Flow/return line made of polybutene
C Outer pipe, thermally insulated

Floorstanding installation connection set

Part no. ZK02938
Connection set for connecting the outdoor unit to the hydraulic con-
nection sets
Components:
■ 2 stainless steel DN 32 corrugated pipes, 600 mm long, with 1¼
brass locking nut and thermal insulation, 42 x 32 mm
■ Thermal insulation, 54 x 31 mm, 200 mm long

Wall mounting connection set

Part no. ZK02939
For hydraulic connection of the outdoor unit to the heating system
Components:
■ Wall duct DN 150, 750 mm long
■ Sealing insert with entries for 2 x copper pipes 7 28 mm and
3 x electric cables 1 mm to 18 mm (copper pipe not included)

6.5 Vitocal 222-A: Hydraulic connection accessories

3-way diverter valve

Part no. ZK02928
For installation in the return in cascade applications
VITOCAL
(cont.)
a
C
b
A
Flow/return lines B
– Dim. a: External 7
– Dim. b: Wall thickness
– Adaptors
Outer pipe C
– Dim. c: External 7
Number of end collars A
Dim. d: Line length
– 5 m
– 10 m
– 15 m
– 20 m
■ The flow and return lines are made of polybutene to EN ISO 15876
with a pressure rating of 8 bar at 95 °C. To differentiate between
the two pipes, one is marked with a stripe.
■ The thermal insulation is made from longitudinally watertight polyo-
lefin foam, which is connected to the polyethylene (HDPE) outer
pipe.
■ The pipe is fixed directly in the brickwork with expanding mortar or
concrete (no other accessories required).
■ The flow and return lines can be trimmed.
■ Brass twin connector 1½ male/1¼ male
■ Brass reducer 1½ male to 1¼ female
■ Adhesive tape: Length 1000 mm, width 50 mm
■ Cap with entries for 2 x copper pipes 7 28 mm and 3 x electric
cables of varying diameters
■ Thermal insulation 28 x 24 mm, 200 mm long for the copper pipes
in the wall duct
■ Thermal insulation, 54 x 31 mm, 200 mm long
■ Adhesive tape: Length 1000 mm, width 50 mm
2 x DN 32
40 mm
3.7 mm
4 x DA 40 to R 1¼
160 mm
Part no. 7521273
Part no. 7521274
Part no. 7521275
Part no. 7521276
VIESMANN
2
6
61