THISIONL R40 IP - Central heating boiler Elco - Free user manual and instructions

Frequently Asked Questions - THISIONL R40 IP Elco

USER MANUAL THISIONL R40 IP Elco

Documentation technique Chaudière ECS

This document is meant to be used in addition to the THISION-L/R40 heating boiler documentation, in case of having a THISION-L/R40 IP water heater version. This document only contains the differences in construction and application to the heating boiler version. General information on the boiler (transport, commissioning, maintenance, etc.) can be found in the heating boiler documentation.

Technical description

The THISION-L/R40 IP water heater boiler is applicable for direct heating of sanitary hot water without using a hydraulic separation (f.e. plate heat exchanger) in the system. This special version of the THISION-L/R40 boiler series is mainly identical to the heating boiler version, except for the hydraulic piping. These are made from stainless steel instead of zinc plated steel, allowing the boiler to be flushed with the sanitary hot water directly.

Water quality

As a water heater is constantly flushed with fresh water, there are restrictions to the maximum flow temperature related to the hardness of the water. The following table indicates the maximum flow temperatures for different water hardness values. Not respecting these values can lead to damage of the heat exchanger.

Maximum flow temperature related to water hardness
Water hardness Max.		setpoint (P1) Temp. limiter setting High limit setting
[°dH] [°f]	[°C] [°C] [°C]
0 - 5 0 - 9	90 97 100
5 - 15 9 - 27		85 92	95
15 - 20	27 - 36	80 87	90
20 - 28	36 - 50	60 67	70

Hot water production

The following table shows the sanitary hot water tapping volumes which can be achieved with a THISION-L/R40 water heater, based on a cold water inlet temperature of 10^ .

Hot water tapping volumes (cold water = 10°C)
	Output	flow @50°C	flow @60°C	flow @65°C	flow @70°C	flow @80°C	flow @90°C
	[kW]	[I/min]	[I/min]	[I/min]	[I/min]	[I/min]	[I/min]
TH-L/R4050	45.7	16.3	13.1	11.9	10.9	9.3	8.2
TH-L/R4065	60.8	21.8	17.5	15.9	14.6	12.5	10.9
TH-L/R4085	81.1	29.1	23.3	21.2	19.4	16.6	14.6
TH-L/R40100	92.9	33.4	26.7	24.3	22.2	19.1	16.7
TH-L/R40120	111.6	40.1	32.1	29.1	26.7	22.9	20.0
TH-L-145/R40-150	132.2	47.5	38.0	34.5	31.6	27.1	23.7

Hydraulic connection

The THISION-L/R40 water heater must be installed in such a way, that a minimum water flow rate of 30% of the nominal flow rate can be assured at all times when the burner is switched on. The THISION-L/R40 water heater can increase the water temperature by maximum 17K at once. This means that the water has to cycle through the boiler several times when f.e. cold water of 10^ has to be heated up to 60^ (3 times).

This is normally done by installing the THISION-L/R40 water heater in combination with a buffer tank. The flow rate from the tank to the water heater and back can then be secured by the (primary) water heater pump.

The table below shows the nominal water flow data at a T of 17K, plus the pump data of the (optional) pump kit for each type of water heater.

Water flow data water heater
ΔT No.	minal	flow rate	Boiler resistance	Pump type Voltage		Curve setting	Pump head	Residual pump head
	[K]	[m3/h] [kPa]	[-] [V] [-] [kPa]	[kPa] [kPa]
TH-L/R40 50	17	2.4 14	TOP-Z30/7	RG 230		2	42	28
TH-L/R40 65		3.1 22	TOP-Z30/7	RG 230		2	36	14
TH-L/R40 85		4 40	TOP-Z30/10 RG		230	2	54	14
TH-L/R40 100		4.7 21	TOP-Z30/7	RG 230		3	32	11
TH-L/R40 120		5.6 30	TOP-Z30/10 RG		230	3	60	30
TH-L 145 / R40-150		6.8 47	TOP-Z40/7	RG 230		3	53	6

System examples

The following examples are only meant to give an indication of the possibilities available with the THISION-L/R40 water heater. These examples can not be used in a project without any further analysis of the project situation by an authorized company.

System 1: water heater with buffer tank

Water heater connected to a buffer tank, with the cold water feed connected to the return connection of the buffer tank. This is the most common way to connect a water heater. Having the cold water feed on the return connection of the tank results in less start/stop sequences of the water heater and creates a stable temperature control in a normal hot water installation.

System2: water heater with big buffer tank

When having temporary peak demand, it's useful to have a big buffer tank (or multiple smaller tanks in series) in combination with a small water heater capacity. The capacity of the water heater is determined by the maximum loading time of the buffer tank.

System 3: water heater cascade

When having a constant high demand of hot water, it's useful to install a high capacity water heater (or even a cascade of multiple water heaters) in combination with a small buffer tank. The buffer tank is only covering the starting delay of the boilers, after that the boilers completely cover the hot water demand constantly.

Accessories

For the THISION-L/R40 water heater the following accessories are available:

• Accessory kit with pump.

Connection sizes components
TH-L/R40	50/65	TH-L/R4085	TH-L/R40100	TH-L/R40120	TH-L 145 /R40-150
Pump type TOP	Z30/7RG	TOP-Z30/10RG	TOP-Z30/7RG	TOP-Z30/10RG	TOP-Z30/10RG
Pump size G2"	G2" G2" G2"	G2"
Connectionset	G2"x 1¼" G2"x	1¼" G2"x 1¼"	G2"x 1¼" G2"x 1¼"

• Accessory kit with safety valve and manometer.

Connection sizes components
	TH-L/R4050/65	TH-L/R4085	TH-L/R40100	TH-L/R40120	TH-L 145 /R40-150
Safety valve	Rp 3¼"	Rp 3¼"	Rp 1"	Rp 1"	Rp 1"
Manometer	R1¼"	R1¼"	R1¼"	R1¼"	R1¼"

Consult your supplier for more information on the available accessories.

THISION-L / R40 IP

Systeem 3: tapwaterketel in cascade

Documentation technique

Chaudière ECS

Description technique