State GTS-110-NI Manuel d'utilisateur télécharger pdf (Page 28)

Installation

28│Page

 Inordertopurgeairinwaterpipeswithinaclosed‐loopsystem,anairvent

andairseparatorshouldbeinstalledintothesystem.Requiredcirculation

flow rates are labeled next to each application diagram.These flow rate

requirementsmustbefollowed.

 Toxicchemicalsusedin boiler

treatmentssuchasalcohol,glycerolandglycol

groupsmustnotbeintroducedintothesystemifthesystemincorporatesan

open‐looppotablewatersystem.

 Thewaterheatercanbeusedtosupplypotablewaterandspaceheatingand

shall not be connected to any heating system or component(s)

previously

usedwithnon‐potablewaterwhereanychemicalswereaddedtothewater

heatingappliances.

 When the system requires water for space heating at temperatures higher

than required for other uses, a means such as a mixing valve shall be

installed to temper thewater forthose other uses

in orderto reducescald

hazardpotential.

 Water temperature over 125°F (52°C) can cause severe burns instantly or

deathfromscalds.

 ChemicalssuchasdilutedGlycolcanbeusedforradiantfloor,Hy dro/fancoil

air or Baseboard heating only. The diluted solution of glycol must contain

between25

and55%ofGlycol.Beawarethatinclosed‐loopglycolsystems,

low pressure in the heat exchanger can cause low‐temperature boiling,

resulting in excessive noise and damage to the water heater. Consult with

theglycolmakerforspecificationspriortouse.

Thisisaco nceptdrawingonly.

APPLICATIONS

‐Space‐HeatingApplications‐



*Therecirculationpumpistobecontrolledby:

‐Dual‐setaquastat(recommendedw/timer)

OR

‐“PumpControlConnections”510(T‐D2)modelsonly.

Refertop.23.

*Therecirculationpumpistoprovidenolessthan2

GPMandnomorethan4GPMthrougheach

activatedunitin

thesystem.

‐Recirculation‐

WARNING

Pressure

reliefvalve

Checkvalve

Air

arator

Recirculation



Hotwateroutletto

fixtures

AirVent

Unions

Gassupply

Ballvalves

Expansiontank

Y‐Strainer

Coldwater

inlet

Hot

Water

Outlet

Cold

Water

Inlet

Gas

Inlet

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State GTS-110-NI Manuel d'utilisateur Page 28

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