Air-to-water Heat Pump
33
MONOBLOC
TYPE
Model SXTVD300LC/B-E SXTVD300LC/B-M
C(mm) 198 198
E(mm) 117 117
F(mm) 114 114
G(mm) 631 631
I(mm) 283 283
J(mm) 174 174
K(mm) 353 353
L(mm) 789 789
Model SXTVD300LC/B-E SXTVD300LC/B-M
Outline (Diameter×H) (mm) Φ620×1585 Φ620×1585
Package (W×D×H)(mm) 815×920×1745 815×920×1745
Net weight kg 105 105
Gross weight kg 132 132
Joints Dimension
Description Joint pipe thread
Hot water outlet of water tank 3/4″Female BSP
Circulating water inlet/outlet of water tank 3/4″Female BSP
Cooling water inlet of water tank 3/4″Female BSP
Pipe joint 3/4″Female BSP
16.3 Connection of waterway system
(1) If connection between water tank and indoor unit should be through the wall, drill a hole Φ70 for pass of
circulating water pipe. It is unnecessary if the hole is not needed.
(2) Preparation of pipelines: Circulating water outlet/inlet pipe must be hot water pipe, PPR pipe with nominal
out diameter of DN25 and S2.5 series (wall thickness of 4.2mm) being recommended. Cooling water inlet
pipe and hot water outlet pipe of water tank should also be hot water pipe, PPR pipe with nominal out
diameter of DN20 and S2.5 series (wall thickness of 3.4mm) being recommended. If other insulated pipes
are adopted, refer to the above dimensions for out diameter and wall thickness.
(3) Installation of circulating water inlet/outlet pipes: connect the water inlet of the unit with circulating outlet of
water tank and water outlet of unit with circulating inlet of water tank.
(4) Installation of water inlet/outlet pipes of the water tank: safety check valve, lter and cut-o valve must be
installed for the water inlet pipe according to the installation sketch of the unit. At least a cut-o valve is
needed for the water outlet pipe.
(5) Installation of blow-o pipes at the bottom of water tank: connect a piece of PPR pipe with drainage outlet
to oor drain. A cut-o valve must be installed in the middle of the drainage pipe and at the place where it is
easy to be operated by the users.
(6) After connection of all waterway pipelines, perform the leakage test firstly. After that, bind up the water
pipes, water temp sensor and wires with wrapping tapes attached with the unit.
(7) Refer to Installation Sketch of the Unit for details.
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