Installation guide

53
COMMERCIAL INSTALLATION GUIDE
QUANTUM TITAN COMMERCIAL – CIRCULATING SYSTEM
Header Sizes for Multiple Quantum Heat Pumps
Number Of Heaters In Bank Nominal Size Of Headers Minimum Size Of Headers DN
3 to 5 One pipe size larger than branch pipes 25
6 to 10 Two pipe size larger than branch pipes 32
11 to 15 Three pipe size larger than branch pipes 40
Manifolded Titans Specifications
Ref No. Description Specifications
A Header/Manifold Cold*
AS PER ABOVE TABLE
B Header/Manifold Hot*
1 Isolation Valve Cold** ¼ Turn - Ball Valve
2 Check Valve** Check Valve
3 Pressure limiting Valve Adjustable Pressure Relief Valve
4 Cold Water Relief Valve DN20 850kPa to local codes
5 Isolation valves DN20 1/4 turn ball valves
6 Hot water branch DN20 equal length encapsulated copper
7 Cold water branch DN20 equal length encapsulated copper
8 Isolation Valve Hot** ¼ Turn – Ball Valve
9 PTR Valve 1000kpa (supplied with tank)
10 Condensation Drain To tundish and drain
11 Circulating Pump Hot water recirculating pump – Circulating pump
Distance from wall 500mm where air is exhausted toward wall
Tank centres 900mm (200mm between tanks)
Insulation
Min 13mm Armflex or similar to all hot pipework, and all pipework
on flow and returns systems
Electrical
15A isolating switch within 1 metre of each unit. Separate 15A circuit
breaker per unit. NOTE 3 pin plugs are not recommended
12 Fan box
†
Applicable to page 56 diagram
* Manifold/header sizes to be calculated according to flow requirements.
** Same nominal diameter as manifold/header.
*Refer to www.quantumenergy.com.au for additional information.
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