Heat exchanger. Type WT. For the reheating of airflows in rectangular ducting PD WT 1. 03/2017 DE/en

Transcript

1 X X testregistrierung Heat exchanger Type For the reheating of airflows in rectangular ducting Rectangular hot water heat exchanger for the reheating of airflows, suitable for VAV terminal units Type TVR, TZ-Silenzio, TVJ or TVT, and mechanical self-powered CAV controllers Type EN For hot water up to 100 C Horizontal water connection Copper tubes arranged in two rows, with aluminium fins Maximum water-side operating pressure is 16 bar Casing air leakage to EN 15727, up to class D Heat exchanger with copper tubes and aluminium fins PD 1

2 General information Type Page General information 2 Technical data 3 Quick sizing 4 Specification text 8 Order code 9 Dimensions and weight 10 Installation details 12 Basic information and nomenclature 13 Application Application Hot water heat exchanger Type for reheating the airflow in rectangular ducting For VAV terminal units TZ-Silenzio, TVZ, TVJ, and TVT, and for CAV controllers EN For hot water up to 100 C s 125, 160, 200, 250, 315, 400 for TZ-Silenzio and TVZ 43 nominal sizes from 200 x 100 to 1000 x 1000 for TVJ, TVT and EN Description Parts and characteristics Ready-to-install heat exchanger Copper tubes arranged in two rows Construction features Rectangular casing Flanges on both ends for connection to ductwork Maximum water-side operating pressure is 16 bar Horizontal water connection Water connection with external thread Materials and surfaces Casing made of galvanised sheet steel Copper tubes Aluminium fins Standards and guidelines Casing air leakage to EN 15727, class D (H 400 mm, class C) Maintenance Maintenance-free as construction and materials are not subject to wear PD 2

3 Technical data s for TZ-Silenzio and TVZ mm s for TVJ, TVT and EN to mm Volume flow rate range l/s or m³/h Thermal output kw Maximum hot water temperature 100 C Maximum water-side operating pressure 16 bar Water-side differential pressure kpa Static differential pressure Pa PD 3

4 Quick sizing for TZ-Silenzio and TVZ Δp st PWW 50/40, t e = 16 C PWW 70/55, t e = 16 C t a ṁ w Δp v t a ṁ w Δp v l/s m³/h Pa kw C kg/h kpa kw C kg/h kpa :Thermal capacity PWW:Pumped warm water heating system, flow temperature/return temperature t e :Inlet airflow temperature t a :Outlet airflow temperature ṁ w :Water flow rate Δp v :Water-side differential pressure Δp st :Static differential pressure PD 4

5 Quick sizing for TVJ, TVT and EN Δp st PWW 50/40, t e = 16 C PWW 70/55, t e = 16 C t a ṁ w Δp v t a ṁ w Δp v l/s m³/h Pa kw C kg/h kpa kw C kg/h kpa :Thermal capacity PWW:Pumped warm water heating system, flow temperature/return temperature t e :Inlet airflow temperature t a :Outlet airflow temperature ṁ w :Water flow rate Δp v :Water-side differential pressure Δp st :Static differential pressure PD 5

6 Quick sizing for TVJ, TVT and EN Δp st PWW 50/40, t e = 16 C PWW 70/55, t e = 16 C t a ṁ w Δp v t a ṁ w Δp v l/s m³/h Pa kw C kg/h kpa kw C kg/h kpa :Thermal capacity PWW:Pumped warm water heating system, flow temperature/return temperature t e :Inlet airflow temperature t a :Outlet airflow temperature ṁ w :Water flow rate Δp v :Water-side differential pressure Δp st :Static differential pressure PD 6

7 Quick sizing for TVJ, TVT and EN Δp st PWW 50/40, t e = 16 C PWW 70/55, t e = 16 C t a ṁ w Δp v t a ṁ w Δp v l/s m³/h Pa kw C kg/h kpa kw C kg/h kpa :Thermal capacity PWW:Pumped warm water heating system, flow temperature/return temperature t e :Inlet airflow temperature t a :Outlet airflow temperature ṁ w :Water flow rate Δp v :Water-side differential pressure Δp st :Static differential pressure PD 7

8 Specification text This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme. Rectangular hot water heat exchangers for reheating the airflow in air conditioning systems Dimensions fit VAV terminal units TZ-Silenzio, TVZ, TVJ, and TVT, as well as CAV controllers EN. Flanges on both sides, suitable for duct connection. Casing air leakage to EN 15727, class D (H 400 mm, class C) Materials and surfaces Casing made of galvanised sheet steel Copper tubes Aluminium fins Technical data Volume flow rate range: 15 to 6000 l/s or 55 to m³/h Thermal capacity: kw Maximum water temperature: 100 C Maximum water-side operating pressure: 16 bar Water-side differential pressure: kpa Static differential pressure: Pa Sizing data [m³/h] t e [ C] PWW [ C] [kw] PD 8

9 Order code for TZ-Silenzio and TVZ / 160 Type Hot water heat exchanger for VAV terminal units TZ-Silenzio and TVZ Order example: / mm for TVJ, TVT and EN / Type Hot water heat exchanger for CAV controllers EN and for VAV terminal units TVJ and TVT Order example: /400x200 B H [mm] B H mm PD 9

10 Dimensions and weight B₃ B₂ L B H₂ H₁ H R ØD₄ B₁ L B H B 1 B 2 B 3 H 1 H 2 ØD 4 R m mm mm mm mm mm mm mm mm mm " kg ½ ½ ½ ½ ½ ½ with secondary silencer TX L B H B 1 B 2 B 3 H 1 H 2 ØD 4 R m mm mm mm mm mm mm mm mm mm " kg ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ with secondary silencer TX PD 10

11 Dimensions and weight L B H B 1 B 2 B 3 H 1 H 2 ØD 4 R m mm mm mm mm mm mm mm mm mm " kg ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ¼ ¼ with secondary silencer TX PD 11

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